Preparation
1. Soak the pork crackling in warm water for 5 minutes, drain and set aside.
2. Boil water, add the butter beans and boil for 3 minutes.
3. In a Thai mortar, pound the chilli, and garlic until finely pulped. Add the lemon juice, fish sauce, vinegar and sugar and pound again to mix.
4. Mix with the pork crackling, and butter beans, chopped coriander, and chopped onion and serve.